Breccia Cliffs of Mount Sublette, Wyoming

Sun breaks out of the clouds for a moment, lighting the sheer, rotten breccia cliffs of Mount Sublette, as seen from Sublette Peak.

The breccia is, in this case, a hardened volcanic ash that contains rocks loosely cemented together. It often looks like the knob-studded conglomerate that makes for good climbing, but more often than not, it is treacherously brittle.

Thank you. Yes, I have heard these cliffs compared to the Dolomites before, and there are a few shots on SP that show the similarities better than this one does. Lucky for you guys in Europe that you don't have that nasty breccia!

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